HEISMAN voters can be like Christmas shoppers the day after Thanksgiving. You know, the ones who rush to the stores at 5 a.m. convinced if they don’t get that G.I. Joe with the kung-fu grip there will be a national crisis.

So after Arkansas tailback Darren McFadden tied an SEC record by running for 321 yards against South Carolina, some voters released a sigh of relief: Whew, got my G.I. Joe.

What McFadden did was remarkable and surely he deserves serious Heisman consideration. “I really wasn’t in the Heisman talk until this time last year,” he told The Post. “So I’ve never been concerned about it. It would be an honor, but it’s out of my hands.”

What voters need to consider is this: Which was more remarkable, McFadden’s performance or the putrid defense turned in by the Gamecocks? They gave up 571 yards rushing. McFadden’s backup, Felix Jones, got 133 yards and three TDs on just 13 carries.

The Heisman vote isn’t due for another month, and McFadden is on my short list. But I’m not rushing to the store, and other voters shouldn’t be either.

Sean Glennon began the season as Virginia Tech’s starting QB. But after struggling in his first two games, he was benched in favor of Tyrod Taylor.

Glennon didn’t speak to coach Frank Beamer for the better part of a week. During that time he received support from some unlikely sources. Former Tech QB Jim Druckenmiller and former FSU QB Chris Rix implored him to keep believing.

When Taylor sprained an ankle three weeks ago, Glennon got a second chance. In the last three games, he has completed 53 of 79 passes for 703 yards with five TDs and zero interceptions.

“I experienced every emotion you can think of,” he said. “I went from angry and bitter to disappointed and upset. Then I realized that sulking wasn’t going to get me anywhere.”